Autumn Flower Gardening: Roz Answers Your Questions on Bulbs, Dahlias, and Winter Prep

Text Agony Aunt Roz with your Cutflower Questions.

Hi, I’m Roz, and welcome to The Cut Flower Podcast! In today's episode, I’ll be answering your most burning questions about seasonal flower gardening, particularly focusing on autumn tasks. From bulb planting to how to care for your dahlias as winter approaches, we’re covering it all. Whether you’re a seasoned gardener or just starting, I’ve got practical advice to help you get the most out of your flower patch.

This episode dives into some of the most common questions I receive from my membership groups and courses, including how to handle bulbs like Narcissi and Tulips during autumn. I break down why October is ideal for planting Narcissi, but why it’s crucial to wait until November or December to plant Tulips to avoid diseases like tulip fire. We also talk about planting hardy annuals like Larkspur and Cornflowers to overwinter, offering practical tips on how to ensure they thrive when spring comes.

We also explore the hot topic of dahlia care. Should you lift or leave them in the ground? I explain the factors that go into making that decision, including your climate and soil type. You’ll learn about mulching techniques to protect dahlias and other tender plants from the frost, as well as the best ways to store tubers if you decide to lift them.

Finally, I answer your questions about roses, manure, and the benefits of sowing green manures like Phacelia. Whether you’re wondering if it’s too late to plant perennials or how to best prepare your garden for winter, this episode is packed with useful advice for gardeners of all experience levels.

Key Takeaways:

1. Patience is key when planting Tulips: Wait until November or even December to avoid fungal diseases.
2. Overwinter hardy annuals: By planting them now, you’ll have stronger plants ready to bloom in the spring.
3. Dahlia care: Depending on your climate, you may leave them in the ground or lift them. Either way, mulching is crucial for frost protection.
4. Mulching your flower beds: Applying organic matter like compost in October helps suppress weeds and improves soil structure for next year’s blooms.
5. Leave your garden a little wild: Resist the urge to "tidy up" your patch entirely; seed heads and hollow stems benefit wildlife over winter.

Thank you for joining me on this episode of The Cut Flower Podcast! Don’t forget, if you have any questions, I’m always here to help! Send me an email at [email protected],

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